U.S. patent number 4,577,937 [Application Number 06/656,569] was granted by the patent office on 1986-03-25 for conical beam concentrator. Invention is credited to John E. Clegg.
United States Patent | 4,577,937 |
Clegg | March 25, 1986 |
An upper component lens which receives and refracts a circular whole incipient beam, forming a convergent conical beam; a first middle component lens which refracts the convergent conical beam, forming an annular beam; a second middle component lens which refracts the annular beam, forming a convergent conical beam; and a lower component lens which refracts the convergent conical beam, forming a concentrated whole beam which is emitted parallel to the vertical optic axis of the concentrator.
Inventors: | Clegg; John E. (Orlando, FL) |
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Family ID: | 24633610 |
Appl. No.: | 06/656,569 |
Filed: | October 1, 1984 |
Current U.S. Class: | 359/709; 126/698; 359/738 |
Current CPC Class: | G02B 5/001 (20130101); G02B 13/18 (20130101); F24S 23/30 (20180501); G02B 19/0009 (20130101); G02B 19/0042 (20130101); Y02E 10/40 (20130101) |
Current International Class: | F24J 2/08 (20060101); G02B 17/08 (20060101); G02B 19/00 (20060101); G02B 13/18 (20060101); G02B 5/00 (20060101); F24J 2/06 (20060101); G02B 013/18 () |
Field of Search: | ;350/432 ;126/440 |
2881654 | April 1959 | Toffolo |
2882784 | April 1959 | Toffolo |
4277148 | July 1981 | Clegg |
4325612 | April 1982 | Clegg |
4333713 | June 1982 | Clegg |
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